Web development

I need a new website. I already have a design, I just need you to build a website for my small business. I need an assignment submission site where clients may register and have a dashboard which has the following: Table of previous submissions Form to submit new assignment Way to “close” open assignment -do not allow user to delete past submissions Users are finance business customers. Backend allows us to see all content of each users submissions with open or close status. A commenting system on each assignment for the purpose of communicating updates on each assignment. Be able to upload and store documebts - all file types. No Wordpress.